Finding the Fourth Proportional to 79,257.07, 118,890.87 and 29,335.96
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Solution
The fourth proportional to 79,257.07, 118,890.87 and 29,335.96 is: 44,005.89
Step by Step Solution
- Step 1: Write the proportion equation
79,257.07 : 118,890.87 = 29,335.96 : x - Step 2: Convert to fraction form
79,257.07/118,890.87 = 29,335.96/x - Step 3: Cross multiply
79,257.07x = 118,890.87 × 29,335.96 - Step 4: Simplify right side
79,257.07x = 3,487,777,806.69 - Step 5: Solve for x
x = 3,487,777,806.69/79,257.07 - Step 6: Final answer
x = 44,005.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.